Skye, Erik <br/><br/>
Lichens and air pollution :  a study of cryptogamic epiphytes and environment in the stockholm region / 
by Erik Skye. 
 - Uppsala :  Almqvist & Wiksell Boktryckeri,  1968. 
 - 123, (1), xiv p. :  ill. ;  27 cm. 
 - Acta phytogeographica suecic  52 .
<br/><br/>Thesis--University of Uppsala. 
<br/><br/>Bibliography: p. 119-123. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens--Effect of air pollution on.--Sweden--Stockholm Metropolitan Area